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7.8

CVE-2020-5821: Symantec Endpoint Protection (SEP) and Symantec Endpoint Protection Small Business Edition (SEP SBE), prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively, may be susceptible to a DLL inj...

CVE-2020-5821 · published 6 years ago
Summary

Symantec Endpoint Protection (SEP) and Symantec Endpoint Protection Small Business Edition (SEP SBE), prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively, may be susceptible to a DLL injection vulnerability, which is a type of issue whereby an individual attempts to execute their own code...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
symantec endpoint_protection 11.0
12.1
14.0.0
14.0.1
14.2
12.0
cpe:2.3:a:symantec:endpoint_protection:11.0:-:*:*:*:*:*:*
Original advisory text
Symantec Endpoint Protection (SEP) and Symantec Endpoint Protection Small Business Edition (SEP SBE), prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively, may be susceptible to a DLL inj...
Symantec Endpoint Protection (SEP) and Symantec Endpoint Protection Small Business Edition (SEP SBE), prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively, may be susceptible to a DLL injection vulnerability, which is a type of issue whereby an individual attempts to execute their own code in place of legitimate code as a means to perform an exploit.
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-427Uncontrolled Search Path Element
Timeline
Published11 Feb 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-5821 · NVD
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